Here's what I recommend you for a very solid yet somewhat cheap build :
PCPartPicker part list:
http://pcpartpicker.com/p/2AZKS
Price breakdown by merchant: http://pcpartpicker.com/p/2AZKS/by_merchant/
Benchmarks: http://pcpartpicker.com/p/2AZKS/benchmarks/
CPU: Intel Core i3-4130 3.4GHz Dual-Core Processor ($119.98 @ OutletPC)
Motherboard: ASRock H81M-HDS Micro ATX LGA1150 Motherboard ($49.99 @ Microcenter)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($69.99 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($59.98 @ OutletPC)
Case: Silverstone PS08B (Black) MicroATX Mid Tower Case ($34.98 @ Newegg)
Power Supply: Corsair Builder 430W 80+ Bronze Certified ATX Power Supply ($19.99 @ Microcenter)
Total: $354.91
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-01-14 01:25 EST-0500)